Analysis

  • max time kernel
    129s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 16:53

General

  • Target

    http://104.192.83.23/.update.sh

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://104.192.83.23/.update.sh
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffc15fa9758,0x7ffc15fa9768,0x7ffc15fa9778
      2⤵
        PID:1108
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2148 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:8
        2⤵
          PID:2832
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1760 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:2
          2⤵
            PID:1760
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2244 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:8
            2⤵
              PID:1228
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2872 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:1
              2⤵
                PID:4904
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3076 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:1
                2⤵
                  PID:2308
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4584 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:8
                  2⤵
                    PID:1088
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4716 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:8
                    2⤵
                      PID:3536
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4844 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:8
                      2⤵
                        PID:1996
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2520 --field-trial-handle=1904,i,13627939259276404102,7191481634209168053,131072 /prefetch:2
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:5004
                    • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                      1⤵
                        PID:3184
                      • C:\Windows\system32\OpenWith.exe
                        C:\Windows\system32\OpenWith.exe -Embedding
                        1⤵
                        • Modifies registry class
                        • Suspicious use of SetWindowsHookEx
                        PID:2984
                      • C:\Windows\System32\rundll32.exe
                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                        1⤵
                          PID:492
                        • C:\Windows\system32\OpenWith.exe
                          C:\Windows\system32\OpenWith.exe -Embedding
                          1⤵
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:4348
                          • C:\Windows\system32\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\update.sh
                            2⤵
                            • Opens file in notepad (likely ransom note)
                            PID:4036

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          6becd7d17512c805c2f6e17ca9127ae9

                          SHA1

                          ae4c1318d8d3b0965784c2f2bf8e42f0a6c0171b

                          SHA256

                          a9ee7e71aaea52a9526471b1963b2f70518097aa0bbcb72954a67cd647aecad0

                          SHA512

                          19e2d1cef50b25ee4873937d8a08e2d9a0a6e67dc5806bb6661950189727429eafa13765895c4c949e5c293b30277acc9df32232a41d24f72b6196fbac27f0e6

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          be90508cec778efeb2663cc30e45a0d9

                          SHA1

                          b2bd2a40e7e1d863715f4b841baf124f00c749f8

                          SHA256

                          a1b108e932c3352a8afc1f8245057bf0e8b11be9b4cf254b8c51fb99689766d0

                          SHA512

                          cc8eea4a632a4d8954a8d4b20ab7523619ba115676c2fe113419a94b995b82c54f787ff33776840555c4dfd219b593ce9eed5bea3fe94ce7b418980160e80f0c

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          2735ab73622fb39aac9c23421aeeae27

                          SHA1

                          ebdd7539958c7d48033266e490784ad0aae3de50

                          SHA256

                          ce7fc041ad4c5c04f0003a6b0e44008733aa28f19f633cab6cfc8e78e708cbd7

                          SHA512

                          d4698ae6a8e694ff73442060cd82ca9ce3087bb7212bf0f792c9aed0c67f3d40400c0c95e6e36dadbd7d6fb19995e7b9db0ab767b24d5a13805fe51a898daeb0

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                          Filesize

                          109KB

                          MD5

                          07b15fb798bed5d444102fcd1612ffbe

                          SHA1

                          fca874027712275b5c2548000aefcd0bfd0d68e9

                          SHA256

                          7bd8540a1c8ad26c4db19ce1e41b63d10c8e183a46ffc17265a79461f7c7e03a

                          SHA512

                          d9fdc3d0810aed7564b2a210c4804897291064757799cff57fde8667da853680b847cbaaa5e200620437940fe3d531c78cc38add107a976660b5f4aceb255d2f

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\f9a5936e-4f91-47b2-a3e2-fac3d65305c5.tmp

                          Filesize

                          2B

                          MD5

                          99914b932bd37a50b983c5e7c90ae93b

                          SHA1

                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                          SHA256

                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                          SHA512

                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                        • C:\Users\Admin\Downloads\update.sh

                          Filesize

                          105B

                          MD5

                          9c634e82e40502a2c71e3a92f867f6db

                          SHA1

                          d2c1460efb79c3793e89d6c222a3b2f680e4e68f

                          SHA256

                          7038adf2087759037eab52177ad2cd4be682c1769d3a23b160cea778566b2f18

                          SHA512

                          fe5534d4a66aba2ef19bab7b807728cd08434b53798f87fa67177c7f3c2393bf7ca2ebb56ccfeea4e35ac2b4b5bc61fba74f6f7b29574d93779a619dd465038e

                        • C:\Users\Admin\Downloads\update.sh

                          Filesize

                          105B

                          MD5

                          9c634e82e40502a2c71e3a92f867f6db

                          SHA1

                          d2c1460efb79c3793e89d6c222a3b2f680e4e68f

                          SHA256

                          7038adf2087759037eab52177ad2cd4be682c1769d3a23b160cea778566b2f18

                          SHA512

                          fe5534d4a66aba2ef19bab7b807728cd08434b53798f87fa67177c7f3c2393bf7ca2ebb56ccfeea4e35ac2b4b5bc61fba74f6f7b29574d93779a619dd465038e